2025年亮点给力计算天天练五年级数学上册苏教版第72页答案
1. 直接写出得数。
0.7 + 3.4 =
4.1

8.1 ÷ 0.9 =
9

3.12 - 0.9 =
2.22

10 - 9.2 + 1.6 =
2.4

3.2 - 0.32 =
2.88

1.3 × 0.5 =
0.65

7.2 ÷ 0.12 =
60

33.8 - 4 ÷ 0.2 =
13.8

1.8 ÷ 100 =
0.018

6.9 ÷ 0.1 =
69

1.26 ÷ 0.6 =
2.1

1.5 × 3 × 0.1 =
0.45

7.5 × 2 =
15

0.2 + 0.78 =
0.98

0.6 × 0.06 =
0.036

1 ÷ 0.05 - 5.5 =
14.5

1.4 ÷ 7 =
0.2

0.4 × 0.5 =
0.2

60 ÷ 0.5 =
120

7.7 ÷ 0.7 + 2 =
13

0.27 ÷ 9 =
0.03

6 ÷ 0.25 =
24

0.1 ÷ 0.001 =
100

5 ÷ 100 × 1000 =
50

4.2 ÷ 0.6 =
7

6.9 ÷ 0.3 =
23

1 ÷ 0.8 =
1.25

4.9 × 2 - 1.3 =
8.5

0.98 - 0.89 =
0.09

1.9 × 0.4 =
0.76

400 × 0.005 =
2

0.15 ÷ 0.3 + 0.6 =
1.1

答案

4.1 9 2.22 2.4 2.88 0.65 60 13.8 0.018 69 2.1 0.45 15 0.98 0.036 14.5 0.2 0.2 120 13 0.03 24 100 50 7 23 1.25 8.5 0.09 0.76 2 1.1
2. 用竖式计算。
1.2 × 4.6 =
5.52

0.27 × 3.3 =
0.891

3.06 ÷ 12 =
0.255

25.6 ÷ 0.32 =
80

0.16 ÷ 1.25 =
0.128

0.054 × 0.15 =
0.0081

竖式略

答案

5.52 0.891 0.255 80 0.128 0.0081 竖式略

解析

```
1.2
×4.6
----
72
48
----
5.52
0.27
×3.3
----
81
81
----
0.891
0.255
12)3.060
24
---
66
60
---
60
60
---
0
80
0.32)25.60
256
---
0
0.128
1.25)0.1600
125
---
350
250
---
1000
1000
---
0
0.054
×0.15
----
270
54
----
0.0081
```
3. (1)填一填。
0.6 × 10 = 60 ×(
0.1
)
73 × 0.026 = 0.73 ×(
2.6
)
0.045 ÷ 1.5 = (
0.45
)÷ 15
0.08 × 3.2 = 80 ×(
0.0032
)
37.1 ÷ 0.01 = (
37.1
)× 100
1.08 ÷ 0.2 = 1.08 ×(
5
)
(2)给 7.38 ÷ 4 + 5.05 × 0.6 添上括号,使它符合下面的运算顺序。
① 除→加→乘 算式:(
(7.38÷4+5.05)×0.6
)
② 加→除→乘 算式:(
7.38÷(4+5.05)×0.6
)
③ 加→乘→除 算式:(
7.38÷[(4+5.05)×0.6]
)

答案

(1)0.1 2.6 0.45 0.0032 37.1 5 (2)①(7.38÷4+5.05)×0.6 ②7.38÷(4+5.05)×0.6 ③7.38÷[(4+5.05)×0.6]